docs: def gtype_to_python(gtype):
          """Map a gtype to the name of the Python type we use to represent it.
  
          """
  
          fundamental = gobject_lib.g_type_fundamental(gtype)
  
          if gtype in GValue._gtype_to_python:
              return GValue._gtype_to_python[gtype]
          if fundamental in GValue._gtype_to_python:
              return GValue._gtype_to_python[fundamental]
          return '<unknown type>'